Policewomen take a picture inside a tunnel under the Chao Phraya river at a Mass Rapid Transit subway station in Bangkok, Thailand, December 14, 2015. (Photo by Athit Perawongmetha/Reuters)

Members of a local winter swimming club photograph as they take part in festive bathing in the icy waters of Boyarskoye lake outside Tomsk, Russia, December 26, 2021. (Photo by Taisiya Vorontsova/Reuters)

Contrasted against the white flowers in a cotton field, a brown bear is out for a ramble just after midnight in the second decade of July 2023 in Kainuu, Finland, where the sun does not fully set for more than 70 days in the summer months. (Photo by Jane Jeffrey/Animal News Agency)

A person shields themself from snowfall as they walk to a taxi in Midtown Manhattan, New York City on January 6, 2024. Forecasters warned on January 5 that a deluge of snow and wintery conditions could bring travel chaos to the US northeast this weekend, with some 25 million people subject to a storm warning. (Photo by Adam Gray/AFP Photo)

Firefighters try to extinguish a fire caught on a passenger train, ahead of the general election in Dhaka, Bangladesh, on January 5, 2024. (Photo by Mohammad Ponir Hossain/Reuters)

Tourists watch roaring torrent carrying a large amount of yellow sediment at the Hukou Waterfall on the Yellow River on August 15, 2024 in Yan'an, Shaanxi Province of China. (Photo by VCG/VCG via Getty Images)

Member of Unifrance delegation Swiss actress Souheila Yacoub arrives for the screening of the film “Le Comte de Monte-Cristo” (The Count of Monte-Cristo) at the 77th edition of the Cannes Film Festival in Cannes, southern France, on May 22, 2024. (Photo by Loic Venance/AFP Photo)

Schwarzenegger began weight training at the age of 15. He won the Mr. Universe title at age 20 and went on to win the Mr. Olympia contest seven times. Schwarzenegger has remained a prominent presence in bodybuilding and has written many books and articles on the sport. Schwarzenegger gained worldwide fame as a Hollywood action film icon. He was nicknamed the "Austrian Oak" and the "Styrian Oak" in his bodybuilding days, "Arnie" during his acting career and more recently "The Governator" (a portmanteau of "Governor" and "The Terminator" – one of his best-known movie roles).